US Bridges

Spruce ST (cr 613) over Branch Shabakunk Creek

Fair

Mercer County, New Jersey · 0.5 Mile NW of US 206 · Structure no. 1100006

Built
1950
75 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
18,625
2023 count
Owner
County
County Highway Agency

About this bridge

Spruce ST (cr 613) over Branch Shabakunk Creek is a steel stringer/multi-beam or girder carrying Spruce ST (cr 613) over Branch Shabakunk Creek in Mercer County, New Jersey. It was built in 1950, so it is 75 years old, older than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,625 vehicles a day, roughly 4% of them trucks, projected to reach 22,725 by 2043. The structure is 35 ft (10.7 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSpruce ST (cr 613)
CrossesBranch Shabakunk Creek
Location0.5 Mile NW of US 206
RouteCounty Highway 613
Coordinates40.24869, -74.75627
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width60 ft (18.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,625 (2023)
Projected traffic22,725 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spruce ST (cr 613) over Branch Shabakunk Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Spruce ST (cr 613) over Branch Shabakunk Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does Spruce ST (cr 613) over Branch Shabakunk Creek carry?

About 18,625 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Spruce ST (cr 613) over Branch Shabakunk Creek?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 60 ft wide.

Who owns Spruce ST (cr 613) over Branch Shabakunk Creek?

It is owned by the County Highway Agency.